Patents by Inventor Min-Soo Cho

Min-Soo Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12224382
    Abstract: A display device may include: a substrate; first and second electrode on the substrate; light emitting element between the first and second electrodes; a barrier structure on the substrate and including a first surface, a second surface, and a third surface; a light conversion layer on the barrier structure; and a passivation layer on the light conversion layer. A first space defined by the second and third surfaces may be between the substrate and the barrier structure. A second space defined by the first and second surfaces may be between the barrier structure and the passivation layer. The first and second spaces may be alternately located in the first direction. The light emitting element may be in the first space. The light conversion layer may be in the at least one second space.
    Type: Grant
    Filed: February 10, 2023
    Date of Patent: February 11, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Soo Bae, Beom Soo Park, Min Jeong Oh, Young Je Cho
  • Publication number: 20250033471
    Abstract: A non-contact interface device for a vehicle and a method for controlling the same, may display an operation system menu for a driver and passengers to operate various kinds of devices of the vehicle as a hologram, enable a user to operate the displayed operation system menu in a non-contact manner by use of the user's finger or the like, and provide the user with a tactile feedback for a non-contact operation, so that the user can recognize whether to have operated the menu.
    Type: Application
    Filed: November 20, 2023
    Publication date: January 30, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Korea Institute of Science and Technology
    Inventors: Dong Gu Kim, Jang Hyeon Lee, Dae Sung Kwon, Hyun Soo Kim, Il Seon Yoo, Byung Chul Lee, Seong Hun Cho, Seung Hyub Baek, Min Seok Kim, Soo Young Jung
  • Patent number: 12196541
    Abstract: A calibration method of an optical coherence tomography (OCT) device and a camera using the same target includes irradiating a shape measurement light to a calibration target, obtaining a surface shape image thereof by detecting light reflected by a surface of the calibration target using a shape measurement camera, and calibrating the surface shape image according to an actual shape of the calibration target; obtaining surface and internal three-dimensional images of the calibration target by scanning with a layer measurement light using the OCT measurement unit, extracting a surface shape image of the calibration target from the three-dimensional images, and calibrating the surface shape image according to the actual surface shape of the calibration target; and matching a calibration image obtained by the shape measurement camera and a surface calibration image obtained by the OCT measurement unit to be displayed at the same spatial coordinates.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: January 14, 2025
    Assignees: HUVITZ CO., LTD., OSSVIS C0., LTD.
    Inventors: Seong Hun Shin, Min Soo Cho, Dong Won Kim, Weon Joon Lee
  • Publication number: 20250009425
    Abstract: The present disclosure provides a method for treatment of atrial fibrillation of the heart, the method including: inserting a guidewire from the superior vena cava or inferior vena cava into the vein of Marshall via a coronary sinus; placing a RF ablation catheter, which has an ablation electrode formed on a distal part, in the vein of Marshall according to guidance of the guidewire; and performing RF ablation around the vein of Marshall after connecting the RF ablation catheter to a RF generator.
    Type: Application
    Filed: September 22, 2024
    Publication date: January 9, 2025
    Inventors: June Hong Kim, Kyone Peter Park, Yong-Hyun Won, Min Soo Cho
  • Publication number: 20240346693
    Abstract: A method of calibrating an intraoral scanner includes irradiating light of a third color using a projector onto a first calibration plate having a background of a first color and patterns of a second color, which are arranged at predetermined intervals within the background; obtaining an image of the patterns with an increased contrast by photographing the first calibration plate with a camera; calibrating the camera by comparing the image of the patterns with actual positions of the patterns; irradiating the first calibration plate with a patterned light having a predetermined pattern of a fourth color using the projector; obtaining an image of a pattern formed by the patterned light of the projector by photographing the first calibration plate with the camera; and calibrating the projector by comparing the pattern image with a target irradiation position of a pattern irradiated by the projector.
    Type: Application
    Filed: March 28, 2024
    Publication date: October 17, 2024
    Inventors: Myoung NAMGUNG, Min Soo CHO, Weon Joon LEE
  • Publication number: 20240325126
    Abstract: A method of obtaining crown region shape includes obtaining a three-dimensional surface shape image of an oral structure including a tooth on which tooth deletion has been performed; setting a surface edge of a tooth deletion region as a location of a region of interest; scanning a surface shape and an internal cross-section of the oral structure at a predetermined location of the oral structure, and obtaining a partial surface shape image and a partial internal cross-sectional image of the oral structure; detecting a location of a crown margin corresponding to an edge of a region where a tooth was actually deleted from the partial internal cross-sectional image; merging the location of the crown margin with a surface image of a tooth, and causing a margin of the tooth deletion region obtained from a surface shape image of the tooth to extend to the location of the crown margin.
    Type: Application
    Filed: March 28, 2024
    Publication date: October 3, 2024
    Inventors: Hyo Sang JEONG, Min Soo CHO, Weon Joon LEE
  • Patent number: 12062212
    Abstract: The present inventive concept relates to an optical coherence tomography (OCT)-based intraoral scanner calibration device including: a light source; an optical coupler for splitting the path of light irradiated from the light source in first light and second light; a reference part for generating reference light from the first light split by the optical coupler; a sample part for generating measurement light from the second light split by the optical coupler; and a signal generator for generating an OCT image from the reference light and the measurement light.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: August 13, 2024
    Assignees: Huvitz Co., Ltd., Ossvis Co., Ltd.
    Inventors: Hyo Sang Jeong, Min Soo Cho, Weon Joon Lee
  • Publication number: 20230194245
    Abstract: A calibration method of an optical coherence tomography (OCT) device and a camera using the same target includes irradiating a shape measurement light to a calibration target, obtaining a surface shape image thereof by detecting light reflected by a surface of the calibration target using a shape measurement camera, and calibrating the surface shape image according to an actual shape of the calibration target; obtaining surface and internal three-dimensional images of the calibration target by scanning with a layer measurement light using the OCT measurement unit, extracting a surface shape image of the calibration target from the three-dimensional images, and calibrating the surface shape image according to the actual surface shape of the calibration target; and matching a calibration image obtained by the shape measurement camera and a surface calibration image obtained by the OCT measurement unit to be displayed at the same spatial coordinates.
    Type: Application
    Filed: December 12, 2022
    Publication date: June 22, 2023
    Inventors: Seong Hun SHIN, Min Soo CHO, Dong Won KIM, Weon Joon LEE
  • Publication number: 20230194238
    Abstract: A calibration method of optical coherence tomography device using a non-transmissive planar target includes obtaining three-dimensional image of a surface and an inside of a calibration target (T) by scanning the calibration target (T) using the optical coherence tomography device, and extracting a surface shape image of the calibration target (T) from the obtained the three-dimensional image; and calibrating the surface shape image of the calibration target (T) obtained by the optical coherence tomography device, according to an actual surface shape of the calibration target (T).
    Type: Application
    Filed: December 12, 2022
    Publication date: June 22, 2023
    Inventors: Hyo Sang JEONG, Min Soo CHO, Weon Joon LEE
  • Publication number: 20230172454
    Abstract: An intraoral scanner having a tomography function capable of setting a tomography area using shape information of an oral cavity includes a shape measurement light projector that irradiates shape measurement light for obtaining a shape image of an oral structure; a shape measurement camera that obtains a surface shape image of the oral structure by detecting reflected light; an optical coherence tomography (OCT) body that transmits tomography measurement light to the oral structure and detect reflected light to obtain an internal cross-sectional image of the oral structure; an OCT scan probe that irradiates the tomography measurement light emitted from the OCT body onto a desired position of the oral structure and transfer the reflected light to the OCT body; and a beam splitter that superimposes optical paths of the shape measurement light irradiated from the shape measurement light projector and the tomography measurement light irradiated from the OCT scan probe.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 8, 2023
    Inventors: Hyo Sang JEONG, Min Soo CHO, Su Min HAN, Weon Joon LEE
  • Publication number: 20230041854
    Abstract: The present disclosure relates to a composition for tagatose production and a method for preparing tagatose using the same.
    Type: Application
    Filed: January 20, 2021
    Publication date: February 9, 2023
    Inventors: Young Mi LEE, Seong Bo KIM, Eun Jung CHOI, Ki Jun JEONG, Eunjung JEON, Min Soo CHO
  • Publication number: 20220270292
    Abstract: The present inventive concept relates to an optical coherence tomography (OCT)-based intraoral scanner calibration device including: a light source; an optical coupler for splitting the path of light irradiated from the light source in first light and second light; a reference part for generating reference light from the first light split by the optical coupler; a sample part for generating measurement light from the second light split by the optical coupler; and a signal generator for generating an OCT image from the reference light and the measurement light.
    Type: Application
    Filed: February 18, 2022
    Publication date: August 25, 2022
    Inventors: Hyo Sang JEONG, Min Soo CHO
  • Publication number: 20220160226
    Abstract: A chart projector for testing visual acuity capable of detecting a brightness of a visual acuity chart which is projected to an examined eye includes at least one image display device which produces visual acuity chart image; a beam splitter; and a photo sensor which detects a brightness of the chart image reflected from the beam splitter to determine a brightness of visual acuity chart image which passes the beam splitter and projected to the examined eye or which detects a brightness of the chart image which passes the beam splitter to determine a brightness of visual acuity chart image reflected from the beam splitter and projected to the examined eye.
    Type: Application
    Filed: November 4, 2021
    Publication date: May 26, 2022
    Inventors: Jong Min LIM, Min Soo CHO
  • Publication number: 20220087738
    Abstract: The present disclosure provides a RF ablation catheter for treatment of atrial fibrillation of the heart, the RF ablation catheter including: a body part which has one or more ablation electrodes formed on a distal part and which constitutes a catheter body made of a soft material; and a tapered tip which is connected to the body part and becomes thinner toward an end thereof, wherein a guidewire lumen into which a guidewire is inserted is formed to be connected to the tip and the body part. The present disclosure provides a method for treatment of atrial fibrillation of the heart, the method including: inserting a guidewire from the superior vena cava or inferior vena cava into the vein of Marshall via a coronary sinus; placing a RF ablation catheter, which has an ablation electrode formed on a distal part, in the vein of Marshall according to guidance of the guidewire; and performing RF ablation around the vein of Marshall after connecting the RF ablation catheter to a RF generator.
    Type: Application
    Filed: July 27, 2021
    Publication date: March 24, 2022
    Applicant: TAU-PNU MEDICAL CO., LTD.
    Inventors: JUNE HONG KIM, Kyone Peter Park, Yong-Hyun WON, MIN SOO CHO
  • Publication number: 20220054003
    Abstract: Disclosed is a polarized visual acuity chart projector for generating visual acuity charts polarized differently for a binocular vision examination. The polarized visual acuity chart projector comprises: a first image display device configured to project a first visual acuity chart polarized in a first direction; a second image display device configured to project a second visual acuity chart polarized in a second direction; and an optical splitter configured to transmit the first visual acuity chart emitted from the first image display device as it is to thereby project the first visual acuity chart polarized in the first direction in the direction of an examinee, and configured to reflect the second visual acuity chart polarized in the second direction emitted from the second image display device to thereby project a second visual acuity chart polarized in a third direction different from the first direction in the direction of the examinee.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 24, 2022
    Inventor: Min Soo Cho
  • Patent number: 10918282
    Abstract: An eye-examining apparatus in which a visible light optical system for observing a shape of an examinee's eye and an infrared optical system for detecting a shape of the cornea of the examinee's eye are integrated. The eye-examining apparatus having an integrated optical system comprises: an infrared light source for irradiating a cornea of the examinee's eye with infrared light; a visible light source for irradiating the eye with visible light; an image detector both for detecting an image of the infrared light which is irradiated from the infrared light source and reflected from the cornea of the eye and for detecting an image of the visible light which is irradiated from the visible light source to the eye; and a visible light blocking filter inserted in an optical path of the visible light and the infrared light traveling toward the image detector for blocking the visible light.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: February 16, 2021
    Assignee: HUVITZ CO., LTD.
    Inventors: Jae Hong Mo, Min Soo Cho, Min Su Kim
  • Patent number: 10634940
    Abstract: The present invention relates to a method for producing a curved display, which produces a curved display using a flat display module. A method for producing a curved display, according to one embodiment of the present invention, is to produce a curved display using a flat display module, the method comprising the steps of: masking the display module with a masking element so as to cover parts of the upper plate and the lower plate thereof, in which a masking area of the upper plate and a masking area of the lower plate are disposed asymmetrically up and down; etching the display module to a preset thickness so as to reduce the thickness of the display module except for the masking areas in the masked display module; removing the masking element from the display module after the etching step; and curving the display module.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: April 28, 2020
    Assignee: EFFINET SYSTEMS, INC.
    Inventors: Min-Soo Cho, Kwon-Hag Kang
  • Publication number: 20190235303
    Abstract: The present invention relates to a method for producing a curved display, which produces a curved display using a flat display module. A method for producing a curved display, according to one embodiment of the present invention, is to produce a curved display using a flat display module, the method comprising the steps of: masking the display module with a masking element so as to cover parts of the upper plate and the lower plate thereof, in which a masking area of the upper plate and a masking area of the lower plate are disposed asymmetrically up and down; etching the display module to a preset thickness so as to reduce the thickness of the display module except for the masking areas in the masked display module; removing the masking element from the display module after the etching step; and curving the display module.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Applicant: EFFINET SYSTEMS, INC.
    Inventors: Min-Soo CHO, Kwon-Hag KANG
  • Patent number: 10353229
    Abstract: The present invention relates to a method for producing a curved display, which produces a curved display using a flat display module. A method for producing a curved display, according to one embodiment of the present invention, is to produce a curved display using a flat display module, the method comprising the steps of: masking the display module with a masking element so as to cover parts of the upper plate and the lower plate thereof, in which a masking area of the upper plate and a masking area of the lower plate are disposed asymmetrically up and down; etching the display module to a preset thickness so as to reduce the thickness of the display module except for the masking areas in the masked display module; removing the masking element from the display module after the etching step; and curving the display module.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: July 16, 2019
    Assignee: EFFINET SYSTEMS, INC.
    Inventors: Min-Soo Cho, Kwon-Hag Kang
  • Publication number: 20190183340
    Abstract: An eye-examining apparatus in which a visible light optical system for observing a shape of an examinee's eye and an infrared optical system for detecting a shape of the cornea of the examinee's eye are integrated. The eye-examining apparatus having an integrated optical system comprises: an infrared light source for irradiating a cornea of the examinee's eye with infrared light; a visible light source for irradiating the eye with visible light; an image detector both for detecting an image of the infrared light which is irradiated from the infrared light source and reflected from the cornea of the eye and for detecting an image of the visible light which is irradiated from the visible light source to the eye; and a visible light blocking filter inserted in an optical path of the visible light and the infrared light traveling toward the image detector for blocking the visible light.
    Type: Application
    Filed: December 13, 2018
    Publication date: June 20, 2019
    Inventors: Jae Hong MO, Min Soo CHO, Min Su KIM